<%@page import="com.meila.cms.util.DateUtil"%>
<%@page import="com.meila.cms.entity.User"%>
<%@page import="com.meila.cms.util.config.Property"%>
<%@page import="org.json.JSONObject"%>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page import="java.util.*,java.io.*" %>
<%@ page import="java.text.SimpleDateFormat" %>
<%@ page import="org.apache.commons.fileupload.*" %>
<%@ page import="org.apache.commons.fileupload.disk.*" %>
<%@ page import="org.apache.commons.fileupload.servlet.*" %>
<%@ page import="org.json.simple.*" %>
<%

/**
 * KindEditor JSP
 * 
 * 本JSP程序是演示程序，建议不要直接在实际项目中使用。
 * 如果您确定直接使用本程序，使用之前请仔细确认相关安全设置。
 * 
 */
	User user=(User) session.getAttribute("loginUser");
		
	if(user==null){
		user =	new User();
	}
  
    String BASE_FILEUPLOAD_PATH= Property.getProperty("BASE_FILEUPLOAD_PATH");
	String BASE_FILEUPLOAD_URL= Property.getProperty("BASE_FILEUPLOAD_URL");
	
	BASE_FILEUPLOAD_URL=BASE_FILEUPLOAD_URL.replace("username", user.getPhone());
	BASE_FILEUPLOAD_URL=BASE_FILEUPLOAD_URL.replace("type", "A0");
	BASE_FILEUPLOAD_URL=BASE_FILEUPLOAD_URL.replace("year", DateUtil.formatDate(new Date(),"yyyy"));
	BASE_FILEUPLOAD_URL=BASE_FILEUPLOAD_URL.replace("month",DateUtil.formatDate(new Date(),"M"));
	
    BASE_FILEUPLOAD_PATH=BASE_FILEUPLOAD_PATH.replace("username", user.getPhone());
	BASE_FILEUPLOAD_PATH=BASE_FILEUPLOAD_PATH.replace("type", "A0");
	BASE_FILEUPLOAD_PATH=BASE_FILEUPLOAD_PATH.replace("year", DateUtil.formatDate(new Date(),"yyyy"));
	BASE_FILEUPLOAD_PATH=BASE_FILEUPLOAD_PATH.replace("month",DateUtil.formatDate(new Date(),"M"));
	
 
	
	//文件保存目录路径
	String savePath = pageContext.getServletContext().getRealPath("/") + BASE_FILEUPLOAD_PATH;
	//文件保存目录URL
	String saveUrl  = request.getContextPath() + "/before/getFile"+BASE_FILEUPLOAD_URL;
	
	//定义允许上传的文件扩展名
	HashMap<String, String> extMap = new HashMap<String, String>();
	extMap.put("image", "gif,jpg,jpeg,png,bmp");
	extMap.put("flash", "swf,flv");
	extMap.put("media", "swf,flv,mp3,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb");
	extMap.put("file", "doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2");
	
	//最大文件大小
	long maxSize = 1000000;
	request.setCharacterEncoding("UTF-8");
	response.setContentType("text/html; charset=UTF-8");
	
	if(!ServletFileUpload.isMultipartContent(request)){
		out.println(getError("请选择文件。"));
		return;
	}
	//检查目录
	File uploadDir = new File(savePath);
	if(!uploadDir.exists()){
		uploadDir.mkdirs();
	}
	//检查目录写权限
	if(!uploadDir.canWrite()){
		out.println(getError("上传目录没有写权限。"));
		return;
	}
 
	//创建文件夹
	File saveDirFile = new File(savePath);
	if (!saveDirFile.exists()) {
		saveDirFile.mkdirs();
	}
	SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
 
	File dirFile = new File(savePath);
	if (!dirFile.exists()) {
		dirFile.mkdirs();
	}
	
	FileItemFactory factory = new DiskFileItemFactory();
	ServletFileUpload upload = new ServletFileUpload(factory);
	upload.setHeaderEncoding("UTF-8");
	List items = upload.parseRequest(request);
	Iterator itr = items.iterator();
	while (itr.hasNext()) {
		FileItem item = (FileItem) itr.next();
		String fileName = item.getName();
		long fileSize = item.getSize();
		if (!item.isFormField()) {
			//检查文件大小
			if(item.getSize() > maxSize){
				out.println(getError("上传文件大小超过限制。"));
				return;
			}
			//检查扩展名
			String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
 
			SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
			String newFileName = df.format(new Date()) + "_" + new Random().nextInt(1000);
			try{
				File uploadedFile = new File(savePath, newFileName + "." + fileExt);
				item.write(uploadedFile);
			}catch(Exception e){
				out.println(getError("上传文件失败。"));
				return;
			}
	 
			JSONObject obj = new JSONObject();
			obj.put("error", 0);
			obj.put("url", saveUrl + newFileName + fileExt);
			out.println(obj.toString());
		}
	}
%>
<%!
private String getError(String message) {
	JSONObject obj = new JSONObject();
		try{
			obj.put("error", 1);
	        obj.put("message", message);
 		}catch(Exception e){
		}

	return obj.toString();
}
%>